front locking hub vacuum fitting
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Cross-Country
Joined: Apr 2006
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front locking hub vacuum fitting
Does anyone know what size the vacuum tube nipple is for the auto locking hubs on a 4x4? Or where I can locally find one? I got part number f81z4022ba from my local ford parts department but they have to order it. Just trying to find out the nipple or vacuum tube size as I know the screw in part is 1/8 inch NPT. Or better yet anyone know where to get a stainless steel version so it doesnt rust?
Senior User
Joined: Nov 2008
Posts: 319
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From: near mm217 off I-70 in MO
I used a brass pneumatic fitting. 1/8" MPT x 1/8" barb
Been on for three years, no issues. Could probably find one at your local hardware store. I changed the line as well and secured it to the barb with a zip tie as well.
Cheers
Been on for three years, no issues. Could probably find one at your local hardware store. I changed the line as well and secured it to the barb with a zip tie as well.
Cheers
New User
Joined: Oct 2018
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From: Ontario Canada
Fleet Mechanic
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Laughing Gas
Joined: Sep 2012
Posts: 880
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From: Northcentral Wisconsin
I live in Wisconsin so I leave the hubs locked in from Nov or Dec to March or April. I installed plugs in place of the fittings and removed the vacuum lines. I'm not a fan of vacuum operated hubs.
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Joined: Oct 2018
Posts: 11
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From: Ontario Canada
mine have never worked. I pulled apart the hub to replace the needle bearing. After some research, I saw it was common that water gets in the vacuum hole. The airline was literally just stuck in the hole. No fitting. Most of my seals are bad. So I’m gonna just plug it up until next summer when I can rebuild it all.
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wildwheelerb200
1999 - 2016 Super Duty
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Apr 4, 2010 12:08 PM